Home / 5,886.78-8,123.70-3,197.94

Finding the Fourth Proportional to 5,886.78, 8,123.70 and 3,197.94

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Solution

The fourth proportional to 5,886.78, 8,123.70 and 3,197.94 is: 4,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.78 : 8,123.70 = 3,197.94 : x
  2. Step 2: Convert to fraction form
    5,886.78/8,123.70 = 3,197.94/x
  3. Step 3: Cross multiply
    5,886.78x = 8,123.70 × 3,197.94
  4. Step 4: Simplify right side
    5,886.78x = 25,979,105.18
  5. Step 5: Solve for x
    x = 25,979,105.18/5,886.78
  6. Step 6: Final answer
    x = 4,413.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.